42720315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11257}}^1$

素因数の和:11299

約数の個数: 32

約数和(自身を含む): 77815296

約数和(自身を除く): 35094981

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 11257, 33771, 56285, 123827, 168855, 258911, 371481, 619135, 776733, 1294555, 1857405, 2848021, 3883665, 8544063, 14240105, 42720315]

約数ペア:

[(1, 42720315), (3, 14240105), (5, 8544063), (11, 3883665), (15, 2848021), (23, 1857405), (33, 1294555), (55, 776733), (69, 619135), (115, 371481), (165, 258911), (253, 168855), (345, 123827), (759, 56285), (1265, 33771), (3795, 11257)]